Police patrol outside of where four people were shot during a party in the Pill Hill neighborhood

Police patrol outside of where four people were shot during a party in the Pill Hill neighborhood

Armando L. Sanchez/Chicago Tribune

Members of the Chicago Police Department patrol the 9100 block of South Chappel Avenue where four people, including an 11-year-old girl, were shot at a family party on September 2, 2012.

Members of the Chicago Police Department patrol the 9100 block of South Chappel Avenue where four people, including an 11-year-old girl, were shot at a family party on September 2, 2012. (Armando L. Sanchez/Chicago Tribune)

Members of the Chicago Police Department patrol the 9100 block of South Chappel Avenue where four people, including an 11-year-old girl, were shot at a family party on September 2, 2012.